/Engine/Source/Runtime/Engine/Public/SceneManagement.h
Helper function to implementGetInteraction(), call after checking for this: if(LightSceneProxy->HasStaticShadowing())
ELightInteractionType GetStaticInteraction ( const [FLightSceneProxy](API\Runtime\Engine\FLightSceneProxy) * LightSceneProxy, const [TArray](API\Runtime\Core\Containers\TArray)< [FGuid](API\Runtime\Core\Misc\FGuid) > & IrrelevantLights ) const